After long enough time on safari, obliviously you have some problem with safe and fast browsing. So most of the safaris users, always trying to reset all the setting customize own self like extra extensions, Add-ons, and plugins. Some of the third party Add-ons not trusted for secure browsing. At the time you can reset safari on Mac and PC using below steps given without removing or uninstalling safari. More, Cookies in safari useful for you but it will also consume space by downloading data over the website, which you visited.
Device configuration: Mac running on Mojave (10.14), High Sierra, Sierra, and earlier. For Windows: Windows 7, Windows 8 and Windows 10. Safari 5.0, Safari 12 and later.
Step for Enable/ Disable Cookies and Reset safari on Mac and PC
Note: Before you are trying below steps, Please verify first you have updated version of Safari.
Steps for Reset Safari on Mac and PC
Step #1: From the Safari menu, Click on safari, From the drop-down menu Tap on “Safari Reset..” option.
Step #2: Proceed with warning dialog appear on your Screen and Click on the reset button.
Now your Safari browser automatically restarts after removing custom settings.
Now you have newly installed safari browser on Mac with default options and settings. You can do same steps for Safari on windows PC by (Edit > Safari Reset).
Cookies settings for Disable or Enable on Safari running on Mac
Step #2: inside the preference window, Click on Privacy option from top menu tab.
Note: Before safari version 5.0, Safari 12 – you should follow steps like in Safari > Preference > Security > Accept Cookies > For enable Always otherwise Never.